Electronic sign



FIG. 1 is a perspective view of the electronic sign;

FIG. 2 is a perspective view of the opposite side of the electronic sign;

FIG. 3 is a front view of the electronic sign;

FIG. 4 is a rear view of the electronic sign;

FIG. 5 is a side elevation view of the electronic sign;

FIG. 6 is a top side view of the electronic sign; and,

FIG. 7 is a bottom side view of the electronic sign.

The broken lines in the drawings depict environmental subject matter only and form no part of the claimed design. 

CLAIM The ornamental design for an electronic sign, as shown and described. 